闭塞眼睛捉麻雀

Explanation: Analogy to work blindly. 　　Usage: Complex sentence; as object clause; with derogatory 　　Source: Mao Zedong, "transform our learning": "'act blindly', 'blind fishing in troubled waters', careless, rhetoric, content with little knowledge." 　　Examples: '~', The result is often not catch sparrows, but also misfortune to scratch the head. ★ Zhou Libo, "Storm" Part 6